Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hoc thien » hoc hien, hoc thieu, hoc thiet
cap hoang » cam hoang, cau hoang, van hoang
may nang » may nong, ky nang, cam nang
cong tan » cong tac, cong san, cong thanh
tan khan » tan khang, tan nhan, toan khoan
khan cap » khan ap, than cap, khoan cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien danh - thanh cong ((may nang) or (cap hoang)) cong tan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - thanh cong ((may nang) OR (cap hoang)) cong tan khan cap.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - thanh cong ((may nang) or (cap hoang)) cong tan khan cap*.